prosody
4c1d3f817063
spec/util_uuid_spec.lua

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spec/util_uuid_spec.lua @ 12629:4c1d3f817063

util.datetime: Add support for sub-second precision timestamps Lua since 5.3 raises a fuss when time functions are handed a number with a fractional part and the underlying C functions are all based on integer seconds without support for more precision.
author Kim Alvefur <zash@zash.se>
date Sun, 14 Aug 2022 16:57:31 +0200
parent 12604:bd9e006a7a74
line wrap: on
line source

-- This tests the format, not the randomness

local uuid = require "util.uuid";

describe("util.uuid", function()
	describe("#generate()", function()
		it("should work follow the UUID pattern", function()
			-- https://www.rfc-editor.org/rfc/rfc4122.html#section-4.4

			local pattern = "^" .. table.concat({
				string.rep("%x", 8),
				string.rep("%x", 4),
				"4" .. -- version
				string.rep("%x", 3),
				"[89ab]" .. -- reserved bits of 1 and 0
				string.rep("%x", 3),
				string.rep("%x", 12),
			}, "%-") .. "$";

			for _ = 1, 100 do
				assert.is_string(uuid.generate():match(pattern));
			end
		end);
	end);
end);